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Author : Eric G. Roy
Publisher :
ISBN 13 :
Total Pages : 408 pages
Book Rating : 4.:/5 (712 download)
Download or read book The Detection and Biogeochemistry of Trace Metals in Natural Waters written by Eric G. Roy and published by . This book was released on 2009 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : C.J. Kramer
Publisher : Springer Science & Business Media
ISBN 13 : 9400961677
Total Pages : 453 pages
Book Rating : 4.4/5 (9 download)
Download or read book Complexation of trace metals in natural waters written by C.J. Kramer and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 453 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is presently well recognized that total concentrations of trace elements in any environmental compartment supply insufficient information to understand important phenomena. The distinction and separate analysis of specific chemical species are essential for understanding cycles in the aquatic environment, involving identification and quantification of sources, transport pathways, distributions and sinks, or, in the area of interactions between trace elements and organisms to understand uptake, distribution, excretion mechanisms and effects. In the past, various ways have been developed to determine the nature and extent of complexation of trace elements in natural systems. Approaches have been followed along very different lines. These have not always been fully appreciated by specialists working in even related fields of complexation research. The first International Symposium on the Complexation of Trace metals in Natural Waters was held at the Netherlands Institute for Sea Research (NIOZ, Texel, the Netherlands from 2-6 May 1983. The scientific programme was planned by the chief organizers Drs. C.J.M. Kramer and J.C. Duinker (NIOZ) together with Prof. Dr. H.W. Nurnberg (Kernforschungsanlage, Julich, Federal Republic of Germany) and Dr. M. Branica (Rudjer Boskovic Institute, Zagreb, Yugoslavia).
Author : Thomas Summers West
Publisher : Wiley-Blackwell
ISBN 13 :
Total Pages : 392 pages
Book Rating : 4.:/5 (318 download)
Download or read book The Determination of Trace Metals in Natural Waters written by Thomas Summers West and published by Wiley-Blackwell. This book was released on 1988 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Domy C. Adriano
Publisher : CRC Press
ISBN 13 : 1351368052
Total Pages : 494 pages
Book Rating : 4.3/5 (513 download)
Download or read book Biogeochemistry of Trace Metals written by Domy C. Adriano and published by CRC Press. This book was released on 2017-07-28 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biogeochemistry of Trace Metals is a compendium of the most recent information available on the effects of trace metals in soil quality and its potential threat on the transfer of these contaminants to consumers. Most of the chapters in the book were presented as papers during the First International Conference on the Biogeochemistry of Trace Elements (formerly Metals in Soils, Plants, Waters, and Animals) held in Orlando, Florida in May, 1990. Topics discussed include background levels of metals in soils and/or plants (covering western Europe; temperate, humid Europe; and the People's Republic of China); metal cycling and transfer in the food chain in agroecosystems; uptake and accumulation of metals by bacteria, fungi, and invertebrates; mechanistic aspects of metals; the microbial aspects of soil selenium losses; and manganese sorption on soil constituents.
Author : Domy C. Adriano
Publisher : CRC Press
ISBN 13 : 1351368060
Total Pages : 526 pages
Book Rating : 4.3/5 (513 download)
Download or read book Biogeochemistry of Trace Metals written by Domy C. Adriano and published by CRC Press. This book was released on 2017-07-28 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biogeochemistry of Trace Metals is a compendium of the most recent information available on the effects of trace metals in soil quality and its potential threat on the transfer of these contaminants to consumers. Most of the chapters in the book were presented as papers during the First International Conference on the Biogeochemistry of Trace Elements (formerly Metals in Soils, Plants, Waters, and Animals) held in Orlando, Florida in May, 1990. Topics discussed include background levels of metals in soils and/or plants (covering western Europe; temperate, humid Europe; and the People's Republic of China); metal cycling and transfer in the food chain in agroecosystems; uptake and accumulation of metals by bacteria, fungi, and invertebrates; mechanistic aspects of metals; the microbial aspects of soil selenium losses; and manganese sorption on soil constituents.
Author : John F. Kopp
Publisher :
ISBN 13 :
Total Pages : 228 pages
Book Rating : 4.:/5 (318 download)
Download or read book Trace Metals in Waters of the United States written by John F. Kopp and published by . This book was released on 1969 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Oleg S. Pokrovsky
Publisher :
ISBN 13 : 9781536142440
Total Pages : 0 pages
Book Rating : 4.1/5 (424 download)
Download or read book Biogeochemistry of Trace Elements written by Oleg S. Pokrovsky and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past few decades, tremendous progress in analytical facilities allowed for the decreasing detection limits of trace element (TE) analysis in a large number of organic and inorganic matrices. This was especially true for freshwater aquatic systems, where direct measurements of more than forty trace elements have become possible provided that necessary precautions against pollution are made and required sample preparation protocol is maintained. Therefore, analyses of both liquid (water) and solid (biomass, sediments, soils, and aerosol particles) compartments of the landscape continuum allowed for a new perspective on biogeochemical factors of trace elements in a large panel of terrestrial environments. However, among all Earth biomes, the Arctic and subarctic regions are certainly less studied from a trace element biogeochemical view point.This book adresses a variety of geochemical and biogeochemical issues of trace element behavior in soils, waters, and plants across the world, from Eastern Europe to Siberian subarctic and Arctic islands. It presents a synthesis of state-of-the-art studiesusing precise analytical techniqueson trace element concentrations, fractionation, and migration in the main biogeochemical reservoirs of the Northern Hemisphere. This book combines chapters on trace elements in soils, plants, soil waters, lakes, rivers and their estuarine zones, and atmopsheric aerosols. As such, it provides a comprehensive view of current TE biogeochemistry and can serve as a reference compilation of available information for judging future changes in trace element biogeochemistry for terrestrial environments influenced by climate warming or increasing anthropogenic pollution.
Author : Zhaoshun Bi
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (862 download)
Download or read book Speciation Analysis of Trace Metals in Natural Waters Using Vibrating Electrodes written by Zhaoshun Bi and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The speciation of trace metals plays a very important role in conditioning their biogeochemical cycles in the marine system. Their species are found to be strongly related to organic matters such as humic acids (HA) and fulvic acids (FA). This thesis aims to develop appropriate techniques to improve our understanding of the speciation of some trace metals, mainly in marine waters. Lead (Pb), cadmium (Cd) and chromium (Cr) which are widely used in industry were analytzed. The concentration of lead in uncontaminated seawater is between 10 and 100 pM, whilst in coastal waters it is higher at up to low nanomolar levels. Little is known about the chemical speciation of lead since it is difficult to be determined at picomolar levels. The work in this dissertation was to develop a suitable electrode and procedure to determine lead in seawater, with the objective that the electrode could be applied for in-situ measurement (without reagents) and for speciation. Several electrodes and materials were tested, including a solid bismuth rod and different microwire materials. Vibration was used to enhance mass transport, instead of solution stirring, to decrease detection limits and facilitate in-situ monitoring. The bismuth electrode was found to be suitable for monitoring lead in coastal waters: it is mercury-free and therefore environmentally friendly, but insufficiently sensitive for oceanic lead concentrations. Comparison of microwires of carbon, gold and silver showed that all of these bare electrodes give a signal for lead, but they suffer variable interference from cadmium, although this is minor if the cadmium concentration is lower than lead. A large improvement was obtained by coating the electrodes with mercury, which gave good peak resolution between cadmium and lead, and good sensitivity. The carbon and gold electrodes had good reproducibility and sensitivity when the mercury was renewed for each measurement. Once coated with mercury, the silver electrode formed amalgam with the silver which could not be completely removed. This electrode was thus not suitable to be used as a renewable mercury film electrode. However, as a permanently amalgamated silver electrode, it was found to have good sensitivity for lead, good separation from cadmium, and was stable for long time usage. This electrode, the silver amalgam microwire (SAM) electrode, was selected for further speciation study of Pb in oceanic waters. Optimum conditions for using the SAM electrode for trace lead detection in seawater involve the use of conditioning potentials. The limit of detection for lead was 4 pM lead in acidified seawater and 12 pM lead in seawater of pH 8. The higher limit of detection at pH 8 is due to the inorganic speciation at that pH. The SAM electrode was successfully used for pseudopolarography of lead to determine its organic complexation. This method was calibrated using model compounds and applied for the first time to estuarine, coastal and oceanic samples at natural concentrations of Pb. It was found that lead occurs mostly as a labile (reactive, organic) species, with a smaller fraction as a strongly organically bound species. The SAM electrode was also tested for chromium analysis using cathodic stripping voltammetry (CSV) in natural waters. Its detection limit is as good as the mercury drop electrode but reduces consumption of mercury.
Author : Philip C. Singer
Publisher :
ISBN 13 :
Total Pages : 400 pages
Book Rating : 4.3/5 (91 download)
Download or read book Trace Metals and Metal-organic Interactions in Natural Waters written by Philip C. Singer and published by . This book was released on 1973 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first book that relates to the current interest in metals in natural waters with regard to water quality (human consumption, toxicity to aquatic life, nutrient availability for plant growth). This work should be of great interest to analytical, physical and organic chemists, soil scientists and geologists, aquatic biologists and limnologists, and environmental and chemical engineers.
Author : C. Wong
Publisher : Springer Science & Business Media
ISBN 13 : 1475768648
Total Pages : 913 pages
Book Rating : 4.4/5 (757 download)
Download or read book Trace Metals in Sea Water written by C. Wong and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 913 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, rapid scientific advances have been shattering classical concepts of oceanic trace metals concentrations. Most of the data gathered before the mid-1970s have had to be discarded. Possible associations of organic and inorganic ligands with the metals were throwing views of metal speciation into great uncertainty. Biological effects of metals need to be re-examined after recent revelations of unsuspected metal contaminations in methodology. The investigations appear chaotic, yet exciting. It implies that a new order is going to replace the past. Now, an opportunity opens its door to a brave new world for the young generation of scientists to put metal chemistries in the oceans into perspectiveo This N. AoToO. International Conference on "Trace Metals in Sea Water" hoped to catalyze this exciting process of unifying various aspects of trace metals in sea water in future years o The Conference, in the form of an Advanced Research Institute supported by the Scientific Affairs Division of NoAoT. O. supple mented by further assistance of the UoS. Office of Naval "Research, was held at the "Ettore Majorana" Center for Scientific Culture in the medieval town of Erice on the island of Sicily, Italy from March 30 to April 3, 1981. It was the first organized gathering of international scientists in this specialized field. Seventy scientists with various expertise in different aspects of the subject were present: including those from NoAoT. Oo countries (Canada, France, F. R. Germany, Greece, Iceland, Italy, U. K.
Author : Brit Salbu
Publisher : CRC-Press
ISBN 13 : 9780849363047
Total Pages : 314 pages
Book Rating : 4.3/5 (63 download)
Download or read book Trace Elements in Natural Waters written by Brit Salbu and published by CRC-Press. This book was released on 1994-11-08 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: In natural waters, trace elements-especially metals-may be present in different physicochemical forms varying in size, charge, and density. Trace Elements in Natural Waters comprehensively covers the microchemical processes occurring in the water phase. The book describes geological and biological interactions involving supply or removal of trace elements in the water phase. Analytical aspects are included, since sampling, pre-analysis handling, and methods of analysis strongly influence the quality of data. Different natural water systems are reviewed with respect to sources, concentration levels, and physicochemical forms of trace elements. Also, important fields of future research are investigated.
Author : International Symposium on the Complexation of Trace Metals in Natural Waters
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (647 download)
Download or read book Complexation of Trace Metals in Natural Waters written by International Symposium on the Complexation of Trace Metals in Natural Waters and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John F. Elder
Publisher :
ISBN 13 :
Total Pages : 43 pages
Book Rating : 4.:/5 (18 download)
Download or read book Metal Biogeochemistry in Surface-water Systems written by John F. Elder and published by . This book was released on 1988 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : T. R. Crompton
Publisher : Elsevier
ISBN 13 : 0128027002
Total Pages : 319 pages
Book Rating : 4.1/5 (28 download)
Download or read book Determination of Metals in Natural Waters, Sediments, and Soils written by T. R. Crompton and published by Elsevier. This book was released on 2015-05-23 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: Determination of Metals in Natural Waters, Sediments and Soils provides analytic labs with a comprehensive overview of the various methods available for analysis of metals and serves as a manual to determine metal concentrations in different media such as natural waters, waste waters, sediments and soils. The book begins with a discussion of sampling techniques and preservation and then covers metals in rivers, surface ground and mineral waters and metals in aqueous precipitation. It concludes with detailed information on analysis of metals in sediments. Determination of Metals in Natural Waters, Sediments and Soils provides a foundation for informed action by environmental interest groups and regulators and a starting point for further study by graduate students, professionals, and researchers. Includes all of the methods currently available to assess metals in water, sediments and soils Covers metals in surface ground and mineral waters Summarizes the strengths, weakness and precautions of different methods and provides a table summarizing the methods with reference citations
Author : D. C. Adriano
Publisher :
ISBN 13 : 9780905927992
Total Pages : 432 pages
Book Rating : 4.9/5 (279 download)
Download or read book Biogeochemistry of Trace Metals written by D. C. Adriano and published by . This book was released on 1997-01-01 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert P. Mason
Publisher : John Wiley & Sons
ISBN 13 : 111827458X
Total Pages : 450 pages
Book Rating : 4.1/5 (182 download)
Download or read book Trace Metals in Aquatic Systems written by Robert P. Mason and published by John Wiley & Sons. This book was released on 2013-02-20 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a detailed examination of the concentration, form and cycling of trace metals and metalloids through the aquatic biosphere, and has sections dealing with the atmosphere, the ocean, lakes and rivers. It discusses exchanges at the water interface (air/water and sediment/water) and the major drivers of the cycling, concentration and form of trace metals in aquatic systems. The initial chapters focus on the fundamental principles and modelling approaches needed to understand metal concentration, speciation and fate in the aquatic environment, while the later chapters focus on specific environments, with case studies and research highlights. Specific examples deal with metals that are of particular scientific interest, such as mercury, iron, arsenic and zinc, and the book deals with both pollutant and required (nutrient) metals and metalloids. The underlying chemical principles controlling toxicity and bioavailability of these elements to microorganisms and to the aquatic food chain are also discussed. Readership: Graduate students studying environmental chemistry and related topics, as well as scientists and managers interested in the cycling of trace substances in aqueous systems Additional resources for this book can be found at: www.wiley.com/go/mason/tracemetals.
Author : Bertil Magnusson
Publisher :
ISBN 13 :
Total Pages : 162 pages
Book Rating : 4.:/5 (318 download)
Download or read book Determination of Trace Metals in Natural Waters by Atomic Absorption Spectrometry written by Bertil Magnusson and published by . This book was released on 1981 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
